Modular flip up helmet



FIG. 1 a front perspective view of my new modular flip up helmet design.

FIG. 2 is a front view of my new modular flip up helmet design.

FIG. 3 is a left side view of my new modular flip up helmet design.

FIG. 4 is a back view of my new modular flip up helmet design.

FIG. 5 is a right side view of my new modular flip up helmet design.

FIG. 6 is a top view of my new modular flip up helmet design.

FIG. 7 is a bottom view of my new modular flip up helmet design.

FIG. 8 is a front perspective view of my new modular helmet design with its visor in a raised position.

FIG. 9 is a front perspective view of my new modular helmet with its chin bar open and raised to a partly open position; and,

FIG. 10 is a front perspective view of my new modular helmet with its chin bar open and raised to a full open position. 

I claim the ornamental design for a modular flip up helmet, as shown and described. 